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What is the quantity of heat in joules or calories required to raise the temperature of 1 gram of a substance 1C?
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∙ 14y ago
specific heat(;
your welcome!
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∙ 14y ago
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Kilocalories to heat 160g of water in a kettle from 19 to 77 degrees Celsius?
quantity of heat required =mass*specific heat of water*change in temperature Q=160*1*(77-19)=9280 calories=9.28 kilo calories
What is the heat of evaporation?
Heat of vaporisation is the amount of heat require to transform substance from liquid to gas state at constant temperature. Heat of vaporisation expressed in kJ/kg of substance.
What occurs when the temperature of 10.0 grams of water is changing from 15.5c to 14.5c?
The water releases 42 joules.The formula for heat is: q = mCT.The temperature of the water decreases by 1°C. The number of calories required for this change is the product of the mass of the substance, its specific heat, and the temperature change: 10 g × 1°C × 4.2 J/°C. g = 42 joules.
How many calories of heat energy are required to melt 10 grams of ice?
q = m x C x ΔT q = amount of heat energy gained or lost in calories m = mass of substance (in this case water) in grams = 10g C = heat capacity of substance (in this case water) = 1cal/gram•oC Tf = final temperature = 32 oC Ti = initial temperature = 0 oC ΔT = (Tf - Ti) = 32 oC q = 10g x 1cal/gram•oC x 32 oC = 320 calories
How much heat does it take to raise the temperature of a substance one degree?
The amount of heat required is called the specific sensible heat for the substance. Sensible, in this context, means something which can be sensed. This is in contrast to latent heat which is used to change the phase of a substance without a change in temperature.
What is the quantity of heat in joules or calories required to raise the temperature of 1 gram of a substance 1C.?
specific heat(; your welcome!
What is the specific heat of a substance?
The amount of heat a substance can hold.
Kilocalories to heat 160g of water in a kettle from 19 to 77 degrees Celsius?
quantity of heat required =mass*specific heat of water*change in temperature Q=160*1*(77-19)=9280 calories=9.28 kilo calories
What is the heat of evaporation?
Heat of vaporisation is the amount of heat require to transform substance from liquid to gas state at constant temperature. Heat of vaporisation expressed in kJ/kg of substance.
What is the quantity of heat energy required to raise the temperature of a unit mass of a substance?
If the substance is water, this is the kilocalorie (1000 calories). One calorie is the heat to raise one gram of water by 1 deg C. Other substances don't have the same specific heat capacity as water, so you have to correct for that, first find out the heat capacity (specific heat) for the substance you are dealing with.
What is specific heat a measure of?
The amount of energy it takes to change the temperature of a substance by a certain amount. How much energy it takes to heat a substance ~APEX
Define latent heat of fusion and latent heat of vapourisation?
Latent heat of vapourisation can be define as the rate by which water is heat to vapourise, it has a difference with evaporation because evaporation occurs directly when the water start heatin while vapourisation always start in a specific temperature
What is substances specific heat?
The amount of heat required to increase the temperature of the substance to 1 degree greater than that of the initial temperature of the body!
How were calories were made?
calories were never "made." they are simply the amount of energy required to raise the temperature one gram of water one degree celsius.
Is Temperature a measure of the amount of heat stored in a substance?
No. As Temperature isn't by any way a measure of how much energy is ''stored'' in a substance, it vary with the heat capacity of the said substance...«Heat capacity (usually denoted by a capital C, often with subscripts), or thermal capacity, is the measurable physical quantity that characterizes the amount of heat required to change a substance's temperature by a given amount. In the International System of Units (SI), heat capacity is expressed in units of joule(s) (J) per kelvin (K).»
What occurs when the temperature of 10.0 grams of water is changing from 15.5c to 14.5c?
The water releases 42 joules.The formula for heat is: q = mCT.The temperature of the water decreases by 1°C. The number of calories required for this change is the product of the mass of the substance, its specific heat, and the temperature change: 10 g × 1°C × 4.2 J/°C. g = 42 joules.
What is a measurement of heat.?
A measure of the heat required to raise the temperature of a substance
